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Old 02-14-2008, 09:18 AM   #1
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Default my new BOV

So who thinks my new BOV is gonna be louder than an asian girl having ---- sex with a black man for the first time*? It's a Greddy Type RS. Haven't put it on the car since Tim welded the flange on for me Sunday because the weather has been **** all week. The horn on it has me concerned as do the holes drilled in it. Are those there to make it whistle? anyone got one of these?









* btw, that's not the sound I am looking for. I prefer a quieter BOV.
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Old 02-14-2008, 09:24 AM   #2
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I'm just guessing here, but maybe you will hear it over your exhaust.
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Old 02-14-2008, 09:27 AM   #3
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Oh yeah, the exhaust. You won't here the BOV. haha.

Unscrew the blue horn to see if it quiets it down.
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Old 02-14-2008, 10:12 AM   #4
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I would call it a "middle of the pack" as far as loudness. With the RFL leading the pack and the bosch being the quietest.
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Old 02-14-2008, 10:27 AM   #5
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The holes (and for that matter, the horn itself) are there to make noise. Period.

I have a Chinese knockoff of the same BOV- it's of surprisingly good quality, pretty much indistinguishable from the genuine article except without the word Greddy cast in the side. I removed the whistle-tip and made a threaded adapter on the lathe to fit a small K&N air filter on the exhaust. It's much quieter / less annoying now. Still louder than a recirculated Bosch, but when it vents it's just a nice, mellow *pssht* as opposed to a *fweeeeeeem!* I think you can buy these adapters on eBay rather cheaply.

Also, consider opening up the BOV and removing the center (smaller) spring from the inside. This softens it up a great deal (the range of the screw on the top is quite limited) and makes it vent much sooner and more gently.

Nice looking flange, BTW. Tim is a much better welder then I am.
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Old 02-14-2008, 10:30 AM   #6
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Greddy BOVs just sound good, nothing overly loud or fancy....that's why i love my Type-S
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Old 02-14-2008, 10:45 AM   #7
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Yea, nice welds.
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Old 02-14-2008, 12:36 PM   #8
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i have the real-deal RS on mine... love it... not loud enough though lol. Yes it does the "chime" or "whistle" when the last bit of air is going out. I have gotten quite used to the whistle when lifting the throttle (even not in boost), heck i keep expecting the noise when driving my GF's MSM which has a knock off dual-horn RFL......
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Old 02-14-2008, 02:34 PM   #9
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Quote:
Originally Posted by Joe Perez View Post
I have a Chinese knockoff of the same BOV- it's of surprisingly good quality, pretty much indistinguishable from the genuine article except without the word Greddy cast in the side.
Did you buy it off Ebay? I heard there was a good and bad version. I'd like to get a new BOV, but the $200 can go twords something better.
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Old 02-14-2008, 02:50 PM   #10
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Quote:
Originally Posted by miataspeed1point6 View Post
Did you buy it off Ebay? I heard there was a good and bad version.
Yes, though it's been so long that I can't remember who the seller was. And I don't know about a "good version" and a "bad version". There are probably more than two companies making these, all I can say is that the one I got was very well-machined and has lasted over a year thus far with absolutely zero problems and zero maintenance apart from the initial springectomy. I kinda figure that at $45 - $55 (typical, including shipping) it's really not a big deal if you have to buy two of them to get one that works- you're still way ahead of the game price-wise.
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Old 02-14-2008, 11:00 PM   #11
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nice comparo to the girl
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